/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 11:59:35,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 11:59:35,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 11:59:35,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 11:59:35,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 11:59:35,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 11:59:35,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 11:59:35,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 11:59:35,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 11:59:35,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 11:59:35,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 11:59:35,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 11:59:35,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 11:59:35,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 11:59:35,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 11:59:35,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 11:59:35,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 11:59:35,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 11:59:35,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 11:59:35,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 11:59:35,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 11:59:35,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 11:59:35,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 11:59:35,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 11:59:35,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 11:59:35,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 11:59:35,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 11:59:35,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 11:59:35,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 11:59:35,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 11:59:35,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 11:59:35,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 11:59:35,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 11:59:35,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 11:59:35,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 11:59:35,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 11:59:35,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 11:59:35,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 11:59:35,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 11:59:35,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 11:59:35,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 11:59:35,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 11:59:35,160 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 11:59:35,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 11:59:35,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 11:59:35,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 11:59:35,162 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 11:59:35,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 11:59:35,163 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 11:59:35,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 11:59:35,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 11:59:35,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 11:59:35,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 11:59:35,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 11:59:35,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 11:59:35,164 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 11:59:35,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 11:59:35,164 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 11:59:35,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 11:59:35,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 11:59:35,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 11:59:35,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 11:59:35,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 11:59:35,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:59:35,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 11:59:35,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 11:59:35,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 11:59:35,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 11:59:35,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 11:59:35,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 11:59:35,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 11:59:35,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 11:59:35,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 11:59:35,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 11:59:35,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 11:59:35,562 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 11:59:35,563 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 11:59:35,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-10-28 11:59:35,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5b05f614/d57e25d7351d4e1ca4b941bb76978d1c/FLAG27a54b47b [2020-10-28 11:59:36,320 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 11:59:36,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-10-28 11:59:36,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5b05f614/d57e25d7351d4e1ca4b941bb76978d1c/FLAG27a54b47b [2020-10-28 11:59:36,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5b05f614/d57e25d7351d4e1ca4b941bb76978d1c [2020-10-28 11:59:36,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 11:59:36,614 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 11:59:36,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 11:59:36,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 11:59:36,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 11:59:36,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:59:36" (1/1) ... [2020-10-28 11:59:36,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383ca202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:36, skipping insertion in model container [2020-10-28 11:59:36,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:59:36" (1/1) ... [2020-10-28 11:59:36,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 11:59:36,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 11:59:37,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:59:37,165 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 11:59:37,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:59:37,354 INFO L208 MainTranslator]: Completed translation [2020-10-28 11:59:37,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:37 WrapperNode [2020-10-28 11:59:37,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 11:59:37,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 11:59:37,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 11:59:37,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 11:59:37,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:37" (1/1) ... [2020-10-28 11:59:37,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:37" (1/1) ... [2020-10-28 11:59:37,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:37" (1/1) ... [2020-10-28 11:59:37,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:37" (1/1) ... [2020-10-28 11:59:37,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:37" (1/1) ... [2020-10-28 11:59:37,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:37" (1/1) ... [2020-10-28 11:59:37,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:37" (1/1) ... [2020-10-28 11:59:37,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 11:59:37,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 11:59:37,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 11:59:37,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 11:59:37,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:59:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 11:59:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 11:59:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 11:59:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 11:59:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 11:59:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 11:59:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 11:59:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 11:59:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 11:59:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 11:59:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 11:59:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 11:59:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 11:59:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 11:59:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 11:59:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 11:59:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 11:59:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 11:59:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 11:59:39,198 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 11:59:39,199 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 11:59:39,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:59:39 BoogieIcfgContainer [2020-10-28 11:59:39,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 11:59:39,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 11:59:39,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 11:59:39,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 11:59:39,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:59:36" (1/3) ... [2020-10-28 11:59:39,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3089f756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:59:39, skipping insertion in model container [2020-10-28 11:59:39,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:37" (2/3) ... [2020-10-28 11:59:39,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3089f756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:59:39, skipping insertion in model container [2020-10-28 11:59:39,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:59:39" (3/3) ... [2020-10-28 11:59:39,211 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label30.c [2020-10-28 11:59:39,223 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 11:59:39,230 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 11:59:39,246 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 11:59:39,278 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 11:59:39,278 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 11:59:39,278 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 11:59:39,278 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 11:59:39,279 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 11:59:39,279 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 11:59:39,279 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 11:59:39,279 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 11:59:39,303 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-28 11:59:39,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-28 11:59:39,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:39,312 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:39,313 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:39,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:39,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1024523006, now seen corresponding path program 1 times [2020-10-28 11:59:39,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:39,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441720736] [2020-10-28 11:59:39,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:39,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:39,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:39,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-28 11:59:39,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:39,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-10-28 11:59:39,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:39,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:39,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:59:39,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:59:39,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 11:59:39,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 11:59:40,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:40,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:40,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:40,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:40,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:40,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 11:59:40,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:40,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:59:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 23 [2020-10-28 11:59:40,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:59:40,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441720736] [2020-10-28 11:59:40,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:59:40,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 11:59:40,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557110349] [2020-10-28 11:59:40,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 11:59:40,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:40,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 11:59:40,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 11:59:40,260 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-28 11:59:42,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:42,102 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-28 11:59:42,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:59:42,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-10-28 11:59:42,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:42,131 INFO L225 Difference]: With dead ends: 586 [2020-10-28 11:59:42,131 INFO L226 Difference]: Without dead ends: 303 [2020-10-28 11:59:42,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:59:42,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-28 11:59:42,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-28 11:59:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-28 11:59:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-28 11:59:42,242 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 41 [2020-10-28 11:59:42,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:42,243 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-28 11:59:42,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 11:59:42,244 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-28 11:59:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-28 11:59:42,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:42,250 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:42,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 11:59:42,250 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:42,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:42,251 INFO L82 PathProgramCache]: Analyzing trace with hash -2028146593, now seen corresponding path program 1 times [2020-10-28 11:59:42,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:42,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371929946] [2020-10-28 11:59:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:42,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:42,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:43,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:43,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-28 11:59:43,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:43,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 839 [2020-10-28 11:59:43,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:43,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:43,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:43,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:59:43,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 11:59:43,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 11:59:43,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:43,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:43,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:43,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:43,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:43,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:59:43,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:43,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:43,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:43,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:43,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:43,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:43,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:59:43,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:43,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 11:59:43,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:43,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:43,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:59:43,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:59:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:59:43,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371929946] [2020-10-28 11:59:43,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:43,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:59:43,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979388987] [2020-10-28 11:59:43,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:59:43,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:43,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:59:43,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:59:43,458 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 5 states. [2020-10-28 11:59:45,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:45,216 INFO L93 Difference]: Finished difference Result 886 states and 1199 transitions. [2020-10-28 11:59:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:59:45,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-10-28 11:59:45,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:45,227 INFO L225 Difference]: With dead ends: 886 [2020-10-28 11:59:45,227 INFO L226 Difference]: Without dead ends: 593 [2020-10-28 11:59:45,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:59:45,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-28 11:59:45,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 589. [2020-10-28 11:59:45,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-28 11:59:45,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 757 transitions. [2020-10-28 11:59:45,305 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 757 transitions. Word has length 111 [2020-10-28 11:59:45,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:45,307 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 757 transitions. [2020-10-28 11:59:45,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:59:45,320 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 757 transitions. [2020-10-28 11:59:45,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-28 11:59:45,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:45,329 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:45,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 11:59:45,331 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:45,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:45,332 INFO L82 PathProgramCache]: Analyzing trace with hash -391062595, now seen corresponding path program 1 times [2020-10-28 11:59:45,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:45,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897515972] [2020-10-28 11:59:45,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:45,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:45,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:45,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:45,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 11:59:45,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:45,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 371 [2020-10-28 11:59:45,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:45,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:45,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:45,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:59:45,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 11:59:45,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:45,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:45,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:45,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:45,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:45,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:45,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:59:45,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:45,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:45,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:45,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:45,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:45,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:45,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:45,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:46,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:46,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:59:46,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:46,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-28 11:59:46,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:46,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:59:46,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:46,127 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:59:46,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897515972] [2020-10-28 11:59:46,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:46,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:59:46,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069362620] [2020-10-28 11:59:46,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:59:46,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:46,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:59:46,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:59:46,134 INFO L87 Difference]: Start difference. First operand 589 states and 757 transitions. Second operand 5 states. [2020-10-28 11:59:47,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:47,889 INFO L93 Difference]: Finished difference Result 1466 states and 1917 transitions. [2020-10-28 11:59:47,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:59:47,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-28 11:59:47,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:47,896 INFO L225 Difference]: With dead ends: 1466 [2020-10-28 11:59:47,896 INFO L226 Difference]: Without dead ends: 593 [2020-10-28 11:59:47,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:59:47,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-28 11:59:47,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 589. [2020-10-28 11:59:47,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-28 11:59:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 734 transitions. [2020-10-28 11:59:47,927 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 734 transitions. Word has length 120 [2020-10-28 11:59:47,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:47,928 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 734 transitions. [2020-10-28 11:59:47,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:59:47,929 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 734 transitions. [2020-10-28 11:59:47,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-28 11:59:47,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:47,934 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:47,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 11:59:47,934 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:47,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:47,935 INFO L82 PathProgramCache]: Analyzing trace with hash -670159488, now seen corresponding path program 1 times [2020-10-28 11:59:47,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:47,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114734263] [2020-10-28 11:59:47,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:48,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:48,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:48,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:49,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:49,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-28 11:59:49,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:59:49,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1113 [2020-10-28 11:59:49,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:49,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:59:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:59:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-28 11:59:49,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:49,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:49,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:49,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:49,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:49,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:49,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:59:49,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:49,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:49,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:49,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:49,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:49,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:49,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:49,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:49,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:49,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:59:49,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:49,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-28 11:59:49,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:49,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:59:49,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:49,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:59:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:49,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:49,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:49,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:49,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:59:49,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:49,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-28 11:59:49,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:49,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 11:59:49,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 98 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 11:59:49,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114734263] [2020-10-28 11:59:49,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:49,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 11:59:49,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257418528] [2020-10-28 11:59:49,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 11:59:49,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:49,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 11:59:49,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 11:59:49,792 INFO L87 Difference]: Start difference. First operand 589 states and 734 transitions. Second operand 8 states. [2020-10-28 11:59:52,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:52,686 INFO L93 Difference]: Finished difference Result 1768 states and 2285 transitions. [2020-10-28 11:59:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:59:52,687 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 183 [2020-10-28 11:59:52,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:52,695 INFO L225 Difference]: With dead ends: 1768 [2020-10-28 11:59:52,695 INFO L226 Difference]: Without dead ends: 1185 [2020-10-28 11:59:52,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-28 11:59:52,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2020-10-28 11:59:52,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1177. [2020-10-28 11:59:52,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2020-10-28 11:59:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1449 transitions. [2020-10-28 11:59:52,749 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1449 transitions. Word has length 183 [2020-10-28 11:59:52,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:52,749 INFO L481 AbstractCegarLoop]: Abstraction has 1177 states and 1449 transitions. [2020-10-28 11:59:52,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 11:59:52,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1449 transitions. [2020-10-28 11:59:52,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-28 11:59:52,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:52,755 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:52,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 11:59:52,756 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:52,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:52,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1507278054, now seen corresponding path program 1 times [2020-10-28 11:59:52,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:52,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338098573] [2020-10-28 11:59:52,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:52,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:52,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:53,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:54,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:56,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:56,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-28 11:59:56,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:59:56,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3386 [2020-10-28 11:59:56,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:56,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:56,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:59:56,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-28 11:59:56,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-28 11:59:56,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:56,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:56,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:56,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:56,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:56,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:56,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 11:59:56,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:56,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:56,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:56,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:56,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:56,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:56,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:59:56,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:56,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-28 11:59:56,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:56,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:56,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 11:59:56,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:56,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 11:59:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:56,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:56,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:56,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:56,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:59:56,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:56,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-28 11:59:56,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:56,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:56,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:56,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:56,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 11:59:56,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:56,688 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 100 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 11:59:56,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338098573] [2020-10-28 11:59:56,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:56,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 11:59:56,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684411204] [2020-10-28 11:59:56,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 11:59:56,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:56,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 11:59:56,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 11:59:56,691 INFO L87 Difference]: Start difference. First operand 1177 states and 1449 transitions. Second operand 8 states. [2020-10-28 11:59:59,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:59,722 INFO L93 Difference]: Finished difference Result 3437 states and 4545 transitions. [2020-10-28 11:59:59,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 11:59:59,724 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 190 [2020-10-28 11:59:59,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:59,740 INFO L225 Difference]: With dead ends: 3437 [2020-10-28 11:59:59,740 INFO L226 Difference]: Without dead ends: 2266 [2020-10-28 11:59:59,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-10-28 11:59:59,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2020-10-28 11:59:59,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 1938. [2020-10-28 11:59:59,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1938 states. [2020-10-28 11:59:59,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 2370 transitions. [2020-10-28 11:59:59,832 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 2370 transitions. Word has length 190 [2020-10-28 11:59:59,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:59,833 INFO L481 AbstractCegarLoop]: Abstraction has 1938 states and 2370 transitions. [2020-10-28 11:59:59,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 11:59:59,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2370 transitions. [2020-10-28 11:59:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-28 11:59:59,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:59,839 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:59,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 11:59:59,839 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:59,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:59,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1456651186, now seen corresponding path program 1 times [2020-10-28 11:59:59,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:59,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1105941323] [2020-10-28 11:59:59,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:59,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:00,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:01,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:01,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:01,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-28 12:00:01,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:00:01,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2081 [2020-10-28 12:00:01,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:01,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:00:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:00:01,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 12:00:01,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:02,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:02,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:02,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:02,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:02,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:02,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 12:00:02,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:02,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:02,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:00:02,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:02,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:02,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:02,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:02,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:00:02,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:02,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-28 12:00:02,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:02,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:02,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:02,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:02,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 12:00:02,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:02,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 12:00:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:02,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:02,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:02,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 12:00:02,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:02,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 12:00:02,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:02,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 12:00:02,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:02,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 66 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 12:00:02,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1105941323] [2020-10-28 12:00:02,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:02,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:00:02,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375980344] [2020-10-28 12:00:02,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:00:02,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:02,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:00:02,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:00:02,507 INFO L87 Difference]: Start difference. First operand 1938 states and 2370 transitions. Second operand 7 states. [2020-10-28 12:00:04,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:04,144 INFO L93 Difference]: Finished difference Result 4025 states and 4925 transitions. [2020-10-28 12:00:04,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 12:00:04,145 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 216 [2020-10-28 12:00:04,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:04,158 INFO L225 Difference]: With dead ends: 4025 [2020-10-28 12:00:04,158 INFO L226 Difference]: Without dead ends: 2093 [2020-10-28 12:00:04,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:00:04,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2020-10-28 12:00:04,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2089. [2020-10-28 12:00:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-10-28 12:00:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2539 transitions. [2020-10-28 12:00:04,245 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2539 transitions. Word has length 216 [2020-10-28 12:00:04,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:04,246 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2539 transitions. [2020-10-28 12:00:04,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:00:04,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2539 transitions. [2020-10-28 12:00:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-28 12:00:04,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:04,253 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:00:04,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 12:00:04,253 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:04,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:04,254 INFO L82 PathProgramCache]: Analyzing trace with hash 883152550, now seen corresponding path program 1 times [2020-10-28 12:00:04,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:04,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015076495] [2020-10-28 12:00:04,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:04,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:04,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:05,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:05,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-28 12:00:05,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:00:05,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-10-28 12:00:05,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:05,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:05,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:00:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 12:00:05,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-28 12:00:05,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:05,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:05,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:05,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:05,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:05,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:05,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:00:05,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:05,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:05,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:05,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:05,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:05,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:05,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 12:00:05,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:05,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-28 12:00:05,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:05,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:05,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:05,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:05,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 12:00:05,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:05,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 12:00:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:05,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:05,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:05,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:05,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 12:00:05,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:00:05,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-28 12:00:05,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:05,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:05,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-28 12:00:05,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:05,905 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 64 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-28 12:00:05,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015076495] [2020-10-28 12:00:05,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:05,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:00:05,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417311785] [2020-10-28 12:00:05,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:00:05,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:05,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:00:05,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:00:05,909 INFO L87 Difference]: Start difference. First operand 2089 states and 2539 transitions. Second operand 5 states. [2020-10-28 12:00:07,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:07,494 INFO L93 Difference]: Finished difference Result 4605 states and 5766 transitions. [2020-10-28 12:00:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:00:07,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2020-10-28 12:00:07,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:07,509 INFO L225 Difference]: With dead ends: 4605 [2020-10-28 12:00:07,509 INFO L226 Difference]: Without dead ends: 2665 [2020-10-28 12:00:07,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:00:07,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2665 states. [2020-10-28 12:00:07,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2665 to 2665. [2020-10-28 12:00:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2665 states. [2020-10-28 12:00:07,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2665 states and 3182 transitions. [2020-10-28 12:00:07,591 INFO L78 Accepts]: Start accepts. Automaton has 2665 states and 3182 transitions. Word has length 228 [2020-10-28 12:00:07,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:07,592 INFO L481 AbstractCegarLoop]: Abstraction has 2665 states and 3182 transitions. [2020-10-28 12:00:07,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:00:07,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 3182 transitions. [2020-10-28 12:00:07,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-28 12:00:07,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:07,601 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:00:07,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 12:00:07,601 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:07,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:07,602 INFO L82 PathProgramCache]: Analyzing trace with hash -895379631, now seen corresponding path program 1 times [2020-10-28 12:00:07,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:07,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167257272] [2020-10-28 12:00:07,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:07,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:07,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:09,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:09,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:09,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-28 12:00:09,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:00:09,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1989 [2020-10-28 12:00:09,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:09,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 12:00:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 12:00:09,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:09,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:09,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:09,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:09,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:09,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:09,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 12:00:09,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:09,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:09,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:09,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:09,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:09,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:09,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:09,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:09,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:09,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:00:09,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:09,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 12:00:09,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:09,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:09,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 12:00:09,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:09,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 12:00:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:09,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:10,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:10,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:00:10,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:10,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-28 12:00:10,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:10,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 12:00:10,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:10,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 12:00:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:10,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:10,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:10,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 12:00:10,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:10,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 12:00:10,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:10,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 12:00:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:10,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:00:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 170 proven. 76 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-28 12:00:10,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167257272] [2020-10-28 12:00:10,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:10,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 12:00:10,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880584484] [2020-10-28 12:00:10,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 12:00:10,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:10,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 12:00:10,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:00:10,406 INFO L87 Difference]: Start difference. First operand 2665 states and 3182 transitions. Second operand 8 states. [2020-10-28 12:00:13,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:13,251 INFO L93 Difference]: Finished difference Result 5330 states and 6370 transitions. [2020-10-28 12:00:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:00:13,252 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 286 [2020-10-28 12:00:13,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:13,267 INFO L225 Difference]: With dead ends: 5330 [2020-10-28 12:00:13,267 INFO L226 Difference]: Without dead ends: 2814 [2020-10-28 12:00:13,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-28 12:00:13,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2020-10-28 12:00:13,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2667. [2020-10-28 12:00:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2667 states. [2020-10-28 12:00:13,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 3060 transitions. [2020-10-28 12:00:13,352 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 3060 transitions. Word has length 286 [2020-10-28 12:00:13,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:13,353 INFO L481 AbstractCegarLoop]: Abstraction has 2667 states and 3060 transitions. [2020-10-28 12:00:13,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 12:00:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3060 transitions. [2020-10-28 12:00:13,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-10-28 12:00:13,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:13,363 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:00:13,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 12:00:13,363 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:13,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:13,364 INFO L82 PathProgramCache]: Analyzing trace with hash -367713415, now seen corresponding path program 1 times [2020-10-28 12:00:13,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:13,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43453019] [2020-10-28 12:00:13,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:13,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:13,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:14,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:14,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:16,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:16,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-28 12:00:16,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:00:16,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2787 [2020-10-28 12:00:16,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:16,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:16,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:16,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-10-28 12:00:16,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-28 12:00:16,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:16,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:16,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:16,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:16,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:16,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:16,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:00:16,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:16,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:16,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:16,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:16,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:16,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:16,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:16,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:16,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:16,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:00:16,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:16,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 12:00:16,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:16,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:16,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:16,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:16,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:16,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:16,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 12:00:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:16,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:16,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:16,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 12:00:16,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:16,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-28 12:00:16,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:16,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:16,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-28 12:00:16,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:16,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-28 12:00:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:16,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:16,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:16,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 12:00:16,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:16,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-28 12:00:16,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:16,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:16,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:16,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:16,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-28 12:00:16,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:16,961 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 265 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-28 12:00:16,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43453019] [2020-10-28 12:00:16,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:16,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 12:00:16,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756052636] [2020-10-28 12:00:16,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 12:00:16,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:16,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 12:00:16,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:00:16,971 INFO L87 Difference]: Start difference. First operand 2667 states and 3060 transitions. Second operand 8 states. [2020-10-28 12:00:19,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:19,167 INFO L93 Difference]: Finished difference Result 5197 states and 5992 transitions. [2020-10-28 12:00:19,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:00:19,169 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 306 [2020-10-28 12:00:19,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:19,182 INFO L225 Difference]: With dead ends: 5197 [2020-10-28 12:00:19,182 INFO L226 Difference]: Without dead ends: 2679 [2020-10-28 12:00:19,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-28 12:00:19,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2679 states. [2020-10-28 12:00:19,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2679 to 2379. [2020-10-28 12:00:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2379 states. [2020-10-28 12:00:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 2379 states and 2649 transitions. [2020-10-28 12:00:19,261 INFO L78 Accepts]: Start accepts. Automaton has 2379 states and 2649 transitions. Word has length 306 [2020-10-28 12:00:19,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:19,262 INFO L481 AbstractCegarLoop]: Abstraction has 2379 states and 2649 transitions. [2020-10-28 12:00:19,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 12:00:19,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 2649 transitions. [2020-10-28 12:00:19,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-10-28 12:00:19,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:19,271 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:00:19,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 12:00:19,272 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:19,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:19,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1131167893, now seen corresponding path program 1 times [2020-10-28 12:00:19,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:19,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051014156] [2020-10-28 12:00:19,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:19,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:19,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:19,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:21,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:21,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 347 [2020-10-28 12:00:21,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:00:21,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1803 [2020-10-28 12:00:21,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:21,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:21,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:21,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 12:00:21,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 12:00:21,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:21,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:21,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:21,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:21,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:21,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:21,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:00:21,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:21,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:21,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:21,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:21,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:21,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:21,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:21,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:21,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:21,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 12:00:21,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:21,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-28 12:00:21,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:21,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 12:00:21,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:21,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 12:00:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:21,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:21,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:21,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:00:21,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:21,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-28 12:00:21,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:21,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:00:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 12:00:21,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:21,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-28 12:00:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:21,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:21,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:21,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 12:00:21,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:21,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 12:00:21,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:21,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:21,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:21,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 12:00:21,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:21,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:21,918 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 177 proven. 76 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-28 12:00:21,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051014156] [2020-10-28 12:00:21,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:21,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:00:21,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156239538] [2020-10-28 12:00:21,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:00:21,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:21,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:00:21,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:00:21,921 INFO L87 Difference]: Start difference. First operand 2379 states and 2649 transitions. Second operand 7 states. [2020-10-28 12:00:24,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:24,164 INFO L93 Difference]: Finished difference Result 5062 states and 5691 transitions. [2020-10-28 12:00:24,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:00:24,165 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 331 [2020-10-28 12:00:24,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:24,178 INFO L225 Difference]: With dead ends: 5062 [2020-10-28 12:00:24,178 INFO L226 Difference]: Without dead ends: 2832 [2020-10-28 12:00:24,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:00:24,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2020-10-28 12:00:24,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 2826. [2020-10-28 12:00:24,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2826 states. [2020-10-28 12:00:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 3130 transitions. [2020-10-28 12:00:24,259 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 3130 transitions. Word has length 331 [2020-10-28 12:00:24,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:24,260 INFO L481 AbstractCegarLoop]: Abstraction has 2826 states and 3130 transitions. [2020-10-28 12:00:24,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:00:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3130 transitions. [2020-10-28 12:00:24,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-10-28 12:00:24,270 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:00:24,271 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:00:24,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 12:00:24,271 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:00:24,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:00:24,272 INFO L82 PathProgramCache]: Analyzing trace with hash 70037201, now seen corresponding path program 1 times [2020-10-28 12:00:24,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:00:24,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902294206] [2020-10-28 12:00:24,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:00:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:24,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:24,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:25,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:25,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-10-28 12:00:25,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:00:25,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 974 [2020-10-28 12:00:25,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:25,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:00:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-28 12:00:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 12:00:25,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:25,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:00:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:25,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:25,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:25,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:00:25,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:25,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:00:25,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:25,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:25,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:25,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:00:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:25,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:25,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:25,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 12:00:25,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:25,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 12:00:25,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:25,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:25,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:25,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:25,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:25,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:25,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 12:00:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:25,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:25,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:25,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:00:25,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:25,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 12:00:25,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:25,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:00:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:00:25,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:25,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-28 12:00:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:00:25,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:00:25,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:00:25,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 12:00:25,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:00:25,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-28 12:00:25,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:00:25,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:00:25,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:00:25,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:00:25,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 12:00:25,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:00:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-10-28 12:00:25,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902294206] [2020-10-28 12:00:25,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:00:25,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:00:25,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237197464] [2020-10-28 12:00:25,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:00:25,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:00:25,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:00:25,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:00:25,890 INFO L87 Difference]: Start difference. First operand 2826 states and 3130 transitions. Second operand 5 states. [2020-10-28 12:00:27,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:00:27,413 INFO L93 Difference]: Finished difference Result 6229 states and 6972 transitions. [2020-10-28 12:00:27,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:00:27,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 350 [2020-10-28 12:00:27,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:00:27,415 INFO L225 Difference]: With dead ends: 6229 [2020-10-28 12:00:27,415 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 12:00:27,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:00:27,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 12:00:27,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 12:00:27,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 12:00:27,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 12:00:27,428 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 350 [2020-10-28 12:00:27,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:00:27,429 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 12:00:27,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:00:27,429 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 12:00:27,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 12:00:27,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 12:00:27,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 12:00:27,770 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 148 [2020-10-28 12:00:28,460 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 148 [2020-10-28 12:00:29,082 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 37 [2020-10-28 12:00:30,028 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 51 [2020-10-28 12:00:30,457 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 38 [2020-10-28 12:00:31,038 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 37 [2020-10-28 12:00:31,044 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 12:00:31,044 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 12:00:31,044 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 12:00:31,044 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 12:00:31,044 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:00:31,045 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-28 12:00:31,045 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:00:31,045 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-28 12:00:31,045 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-28 12:00:31,045 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-28 12:00:31,045 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-28 12:00:31,045 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-28 12:00:31,046 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 12:00:31,046 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-28 12:00:31,046 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-28 12:00:31,046 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-28 12:00:31,046 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-28 12:00:31,046 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-28 12:00:31,046 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-28 12:00:31,046 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-28 12:00:31,046 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,047 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,047 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,047 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,047 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,047 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,047 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-28 12:00:31,047 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-28 12:00:31,047 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 12:00:31,047 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-28 12:00:31,047 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 12:00:31,048 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-28 12:00:31,048 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-28 12:00:31,048 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-28 12:00:31,048 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-28 12:00:31,048 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-28 12:00:31,048 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-28 12:00:31,048 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,048 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,048 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,048 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,048 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,048 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-28 12:00:31,049 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-28 12:00:31,049 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-28 12:00:31,049 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-28 12:00:31,049 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-28 12:00:31,049 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-28 12:00:31,049 INFO L270 CegarLoopResult]: At program point L108(line 108) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a1~0)| 206))) (.cse3 (not (= 0 |old(~a10~0)|))) (.cse2 (not (= 9 |old(~a19~0)|))) (.cse1 (not (<= 2 |old(~a10~0)|)))) (and (or .cse0 .cse1 (not (<= |old(~a10~0)| 2))) (not (= 3 |old(~a10~0)|)) (or .cse2 .cse3) (or .cse0 .cse3) (or .cse2 .cse1) (not (= |old(~a10~0)| 1)) (or (not (<= 3 |old(~a10~0)|)) (not (<= (+ |old(~a1~0)| 45442) 0))) (not (= 8 |old(~a19~0)|)))) [2020-10-28 12:00:31,049 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-28 12:00:31,050 INFO L274 CegarLoopResult]: For program point L108-1(line 108) no Hoare annotation was computed. [2020-10-28 12:00:31,050 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-28 12:00:31,050 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-28 12:00:31,050 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-28 12:00:31,050 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-28 12:00:31,050 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-28 12:00:31,050 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-28 12:00:31,050 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,050 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,050 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,051 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,051 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,051 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-28 12:00:31,051 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 12:00:31,051 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-28 12:00:31,051 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-28 12:00:31,051 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-28 12:00:31,051 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-28 12:00:31,051 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-28 12:00:31,051 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-28 12:00:31,052 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-28 12:00:31,052 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-28 12:00:31,052 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,052 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,052 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,052 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,052 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,052 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-28 12:00:31,052 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-28 12:00:31,052 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-28 12:00:31,053 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 12:00:31,053 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-28 12:00:31,053 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-28 12:00:31,053 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-28 12:00:31,053 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-28 12:00:31,053 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-28 12:00:31,053 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-28 12:00:31,053 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-28 12:00:31,053 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-28 12:00:31,053 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-28 12:00:31,053 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,054 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,054 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,054 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,054 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,054 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 12:00:31,054 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-28 12:00:31,054 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-28 12:00:31,054 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 12:00:31,054 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-28 12:00:31,054 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,054 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,055 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-28 12:00:31,055 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-28 12:00:31,055 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-28 12:00:31,055 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-28 12:00:31,055 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,055 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,055 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,055 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,055 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,055 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-28 12:00:31,056 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-28 12:00:31,056 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-28 12:00:31,056 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-28 12:00:31,056 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 12:00:31,056 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 12:00:31,056 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 12:00:31,056 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 12:00:31,056 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-28 12:00:31,056 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-28 12:00:31,056 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-28 12:00:31,056 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-28 12:00:31,057 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-28 12:00:31,057 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,057 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,057 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,057 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,057 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-28 12:00:31,057 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,057 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,057 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-28 12:00:31,057 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-28 12:00:31,057 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-28 12:00:31,057 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-28 12:00:31,057 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 12:00:31,058 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-28 12:00:31,058 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 12:00:31,058 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 12:00:31,058 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-28 12:00:31,058 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-28 12:00:31,058 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-28 12:00:31,058 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-28 12:00:31,058 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-28 12:00:31,058 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,058 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,058 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,059 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,059 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,059 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,059 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-28 12:00:31,059 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a1~0)| 206))) (.cse3 (not (= 0 |old(~a10~0)|))) (.cse4 (not (= 9 |old(~a19~0)|))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse2 (not (<= 2 |old(~a10~0)|)))) (and (or .cse0 (not (= 8 |old(~a19~0)|))) (or .cse1 .cse0 .cse2 (not (<= |old(~a10~0)| 2))) (or .cse0 (not (= |old(~a10~0)| 1))) (or .cse1 .cse0 .cse3) (or .cse0 (not (<= 3 |old(~a10~0)|)) (not (<= (+ |old(~a1~0)| 45442) 0))) (or .cse4 .cse0 .cse3) (or (not (= 3 |old(~a10~0)|)) .cse0) (or .cse4 .cse0 .cse2))) [2020-10-28 12:00:31,059 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-28 12:00:31,059 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-28 12:00:31,060 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-28 12:00:31,060 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-28 12:00:31,060 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-28 12:00:31,060 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 12:00:31,060 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-28 12:00:31,060 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-28 12:00:31,060 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-28 12:00:31,060 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-28 12:00:31,060 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-28 12:00:31,060 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-28 12:00:31,060 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-28 12:00:31,060 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,060 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,061 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,061 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,061 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,061 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,061 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-28 12:00:31,061 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 12:00:31,061 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 12:00:31,061 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-28 12:00:31,061 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 12:00:31,061 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-28 12:00:31,062 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 12:00:31,062 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-28 12:00:31,062 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-28 12:00:31,062 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-28 12:00:31,062 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-28 12:00:31,062 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-28 12:00:31,062 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-28 12:00:31,062 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,062 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,062 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,062 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,062 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,063 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,063 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-28 12:00:31,063 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-28 12:00:31,063 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-28 12:00:31,063 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 12:00:31,063 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 12:00:31,063 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 12:00:31,063 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-28 12:00:31,063 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-28 12:00:31,063 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-28 12:00:31,063 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-28 12:00:31,063 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-28 12:00:31,064 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-28 12:00:31,064 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,064 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,064 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,064 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,064 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,064 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 12:00:31,064 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:00:31,064 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-28 12:00:31,064 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 12:00:31,064 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:00:31,065 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-28 12:00:31,065 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-28 12:00:31,065 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0)) (.cse1 (= ~a19~0 9)) (.cse3 (<= 2 ~a10~0)) (.cse2 (<= ~a1~0 206))) (or (= ~a19~0 8) (= ~a10~0 1) (and .cse0 .cse1) (and .cse0 .cse2) (= ~a10~0 3) (not (= 9 |old(~a19~0)|)) (and (<= (+ ~a1~0 45442) 0) .cse3) (not (= 0 |old(~a10~0)|)) (and .cse1 .cse3) (and (<= ~a10~0 2) .cse3 .cse2) (not (= 23 |old(~a1~0)|)))) [2020-10-28 12:00:31,065 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-28 12:00:31,065 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-28 12:00:31,065 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0)) (.cse1 (= ~a19~0 9)) (.cse3 (<= 2 ~a10~0)) (.cse2 (<= ~a1~0 206))) (or (= ~a19~0 8) (= ~a10~0 1) (and .cse0 .cse1) (and .cse0 .cse2) (= ~a10~0 3) (not (= 9 |old(~a19~0)|)) (and (<= (+ ~a1~0 45442) 0) .cse3) (not (= 0 |old(~a10~0)|)) (and .cse1 .cse3) (and (<= ~a10~0 2) .cse3 .cse2) (not (= 23 |old(~a1~0)|)))) [2020-10-28 12:00:31,065 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-28 12:00:31,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:00:31 BoogieIcfgContainer [2020-10-28 12:00:31,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:00:31,088 INFO L168 Benchmark]: Toolchain (without parser) took 54479.51 ms. Allocated memory was 125.8 MB in the beginning and 788.5 MB in the end (delta: 662.7 MB). Free memory was 100.1 MB in the beginning and 363.9 MB in the end (delta: -263.8 MB). Peak memory consumption was 470.9 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:31,089 INFO L168 Benchmark]: CDTParser took 1.53 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 100.3 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 12:00:31,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.31 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 99.4 MB in the beginning and 130.2 MB in the end (delta: -30.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:31,091 INFO L168 Benchmark]: Boogie Preprocessor took 147.48 ms. Allocated memory is still 151.0 MB. Free memory was 130.2 MB in the beginning and 125.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:31,091 INFO L168 Benchmark]: RCFGBuilder took 1696.60 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 119.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 53.0 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:31,092 INFO L168 Benchmark]: TraceAbstraction took 51883.43 ms. Allocated memory was 151.0 MB in the beginning and 788.5 MB in the end (delta: 637.5 MB). Free memory was 118.5 MB in the beginning and 363.9 MB in the end (delta: -245.4 MB). Peak memory consumption was 463.5 MB. Max. memory is 8.0 GB. [2020-10-28 12:00:31,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 100.3 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 739.31 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 99.4 MB in the beginning and 130.2 MB in the end (delta: -30.8 MB). Peak memory consumption was 30.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 147.48 ms. Allocated memory is still 151.0 MB. Free memory was 130.2 MB in the beginning and 125.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1696.60 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 119.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 53.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 51883.43 ms. Allocated memory was 151.0 MB in the beginning and 788.5 MB in the end (delta: 637.5 MB). Free memory was 118.5 MB in the beginning and 363.9 MB in the end (delta: -245.4 MB). Peak memory consumption was 463.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((((a19 == 8 || a10 == 1) || (a10 == 0 && a19 == 9)) || (a10 == 0 && a1 <= 206)) || a10 == 3) || !(9 == \old(a19))) || (a1 + 45442 <= 0 && 2 <= a10)) || !(0 == \old(a10))) || (a19 == 9 && 2 <= a10)) || ((a10 <= 2 && 2 <= a10) && a1 <= 206)) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 48.1s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 23.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 293 SDtfs, 5447 SDslu, 330 SDs, 0 SdLazy, 10137 SolverSat, 1328 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2826occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 805 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 293 PreInvPairs, 345 NumberOfFragments, 431 HoareAnnotationTreeSize, 293 FomulaSimplifications, 30421 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 7913 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 22.0s InterpolantComputationTime, 2362 NumberOfCodeBlocks, 2362 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2351 ConstructedInterpolants, 0 QuantifiedInterpolants, 1500715 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 1676/1975 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...